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BS ISO 22605:2020

BS ISO 22605:2020

$102.76

Refractories. Determination of dynamic Young’s modulus (MOE) at elevated temperatures by impulse excitation of vibration

Published By Publication Date Number of Pages
BSI 2020 20
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This document specifies a method for determining the dynamic Young’s modulus of rectangular cross-section bars and circular cross-section specimens of refractories by impulse excitation of vibration at elevated temperature. The dynamic Young’s modulus is determined using the resonant frequency of the specimen in its flexural mode of vibration.

This document does not address the safety issues associated with its use. It is responsibility of the users of this standard to establish appropriate safety and health practices.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
9 4 Principle
5 Significance and use
10 6 Apparatus
6.1 Furnace
6.2 Impulse excitation measuring device
11 6.3 Specimen support device
7 Sampling
8 Test specimens
8.1 Specimen geometry
12 8.2 Specimen dimensions
8.3 Surface finishing of specimens
9 Procedure
9.1 Specimen drying
9.2 Determination of specimen mass and dimension
9.3 Loading of the test specimen
9.4 Determination of the room temperature Young’s modulus
13 9.5 Determination of fundamental flexural resonant frequency
9.5.1 Method A: Isothermal measurement at pre-set temperature
14 9.5.2 Method B: Continuous measurement during ramping to test temperature
10 Calculations
11 Test report
16 Annex A (informative) Factors affecting accuracy of determinations
17 Annex B (informative) Calculation of Young’s modulus at room temperature (according to ISO 12680‑1)

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BS ISO 22605:2020
$102.76